Ok, so i was pretty excited to get my mozz cheese kit in the mail today from AHS (Austin Homebrew Supply). Since Kroger's milk is not labeled as being pasteruized or ultrapasteurized, i decided to go with some info from a link I found on here. I made 112 oz of milk from dry non-fat milk powder, then added ultra-pasteurized heavy whipping cream to make 128 oz (1 pint). Unfortunately ultra-past. was all kroger had for heavy whipping cream.
Anyway, I followed the instructions to a tee and I still have no curds to show for it. It's been about 45 minutes, so looks like this one is going down the drain. Any suggestions? Can I not use ultrapasteurized heavy whipping cream? I wanted to use a whole milk, but since it wasn't labeled one way or the other, i didnt want to chance it. I can elaborate on the steps if need be, but it seems pretty standard.
Thanks

Well mozz making take 2 was a success! Went to walmart and bought some cheap "Great-value" brand vitamin D milk. Says right on the label pasteurized and homogenized (the key being not ultra pasteurized). Got a nice loaf of cheese!

None of my tap water is chlorinated and I'm pretty sure I heated the curds properly. After waiting for two hours I got frustrated so I turned the heat on the stove on. INSTANT curds! So I tried the microwave method to warm it enough to stretch and I just could not get the cheese to heat properly. So I tried the water bath.

Failed at that too.

I just can't make mozzarella. I wound up making some stupid curdled cheese soup. *sniffles*

I used the 30 min. Mozzarella method that you had mentioned using on another thread, actually.

A thermometer is your best friend just like when brewing. As far as stretching I think the core temp of cheese should be 135. I'm new to cheese making too. Just made my first few batches last weekend. Keep trying you'll get it down.

I'm starting to think my thermometer isn't working properly, to be honest. It's a candy thermometer that I've had for a very long time now (more years than you can count on both hands). I'll look into picking up a new one when I go into the big city next week.